Victor
Hensen

Kiel University


Oskar
Heinroth

Berlin Aquarium


Karl
Langer

Universität Wien (Anatomy Tree)


Ferdinand
Hochstetter

Universität Wien (Anatomy Tree)


Konrad Z.
Lorenz

MPI Seewiesen


James E.
Ackert

Kansas State University


William Walter
Cort

Johns Hopkins




Donald S.
Farner

University of Washington
?




Yuri
Filipchenko

University of Leningrad (DevTree)


Thomas Hunt
Morgan

Caltech (FlyTree)


Theodosius
Dobzhansky

Columbia University, Rockefeller University




Eberhard
Gwinner

MPI fur Ornithology

Hubert
Schwabl

WSU
(Options)

Hubert SchwablX